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23077345 = 54615469
BaseRepresentation
bin101100000001…
…0000111100001
31121102110011111
41120002013201
521401433340
62142343321
7400103614
oct130020741
947373144
1023077345
1112032395
12788ab41
134a20045
1430ca17b
15205caea
hex16021e1

23077345 has 4 divisors (see below), whose sum is σ = 27692820. Its totient is φ = 18461872.

The previous prime is 23077339. The next prime is 23077363. The reversal of 23077345 is 54377032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2719201 + 20358144 = 1649^2 + 4512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23077345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307730 + ... + 2307739.

It is an arithmetic number, because the mean of its divisors is an integer number (6923205).

Almost surely, 223077345 is an apocalyptic number.

It is an amenable number.

23077345 is a deficient number, since it is larger than the sum of its proper divisors (4615475).

23077345 is an equidigital number, since it uses as much as digits as its factorization.

23077345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615474.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 23077345 is about 4803.8885290981. Note that the first 3 decimals coincide. The cubic root of 23077345 is about 284.7051223185.

The spelling of 23077345 in words is "twenty-three million, seventy-seven thousand, three hundred forty-five".

Divisors: 1 5 4615469 23077345